package com.atguigu.gmall.product.exception;

import com.atguigu.common.exception.BizCodeEnum;
import com.atguigu.common.utils.R;
import lombok.extern.slf4j.Slf4j;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import java.util.HashMap;
import java.util.Map;

/**
 * @author : Admin
 * @addTime : 14:14
 */
@Slf4j
@RestControllerAdvice(basePackages = "com.atguigu.gmall.product.controller")
public class GmallExceptionControllerAdvice {

    @ExceptionHandler(value = MethodArgumentNotValidException.class)
    public R handlerValidException(MethodArgumentNotValidException e) {
        log.error("数据校验出现问题{},异常类型{}", e.getMessage(), e.getClass());
        BindingResult result = e.getBindingResult();
        Map<String,String> errorMap = new HashMap<>();
        result.getFieldErrors().forEach(item->{
            errorMap.put(item.getField(),item.getDefaultMessage());
        });
        return R.error(BizCodeEnum.VALID_EXCEPTION.getCode(),BizCodeEnum.VALID_EXCEPTION.getMsg()).put("data",errorMap);
    }

    @ExceptionHandler(value = Throwable.class)
    public R handleException(Throwable throwable){
        return R.error(BizCodeEnum.UNKNOWN_EXCEPTION.getCode(),BizCodeEnum.UNKNOWN_EXCEPTION.getMsg());
    }
}
